IXWebSocket/ws/ixcrypto/IXHMac.cpp
Benjamin Sergeant 2d696b6806 Feature/ws cli (#15)
* New command line tool for transfering files / still very beta.

* add readme

* use cli11 for argument parsing

* json -> msgpack

* stop using base64 and use binary which can be stored in message pack
2019-02-21 21:24:53 -08:00

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682 B
C++

/*
* IXHMac.h
* Author: Benjamin Sergeant
* Copyright (c) 2018 Machine Zone. All rights reserved.
*/
#include "IXHMac.h"
#include "IXBase64.h"
#include <openssl/hmac.h>
namespace ix
{
std::string hmac(const std::string& data, const std::string& key)
{
constexpr size_t hashSize = 16;
unsigned char hash[hashSize];
HMAC(EVP_md5(),
key.c_str(), (int) key.size(),
(unsigned char *) data.c_str(), (int) data.size(),
(unsigned char *) hash, nullptr);
std::string hashString(reinterpret_cast<char*>(hash), hashSize);
return base64_encode(hashString, (uint32_t) hashString.size());
}
}